Steel per mil-s-6721, 0.002 inches thick; used on f-14a, tomcat aircraft
An item composed of one or more materials, molded, compressed, and/or baked into a rigid covering of irregular shapes and sizes. it is designed to cover air ducts and/or air duct fittings used in air conditioning, heating, cooling, pressurizing and de-icing systems to restrict the dissipation of heat. it may completely or partially encase the item for which designed. it may be furnished with or without fillers, cement, and/or separate or attached accessories for installation, (excluding flexible air duct covering and rigid pipe and pipe fitting coverings used in construction and building materials). Excludes insulation blanket, thermal, aircraft; insulation pipe fitting covering, thermal; and insulation sleeving, thermal.
NSN 5920-01-504-3216
NSN 5855-01-433-2220
NSN 5935-01-322-6820
NSN 5910-00-792-8182
NSN 5965-01-533-6801
NSN 6130-00-935-5589
NSN 6320-01-215-1133
NSN 6320-01-078-8257
NSN 5975-01-573-8044
NSN 5895-01-264-3569
NSN 5990-01-563-1554
NSN 5895-00-538-5794